A327213 Positions of 1's in {A327211(n) : n > 0}.

2, 4, 6, 9, 11, 13, 16, 18, 20, 22, 23, 25, 27, 29, 30, 32, 34, 36, 38, 41, 43, 45, 48, 50, 52, 54, 55, 57, 59, 61, 62, 64, 66, 68, 69, 71, 73, 75, 77, 80, 82, 84, 87, 89, 91, 93, 94, 96, 98, 100, 101, 103, 105, 107, 109, 112, 114, 116, 119, 121, 123, 125

Offset

1,1

Comments

Although a(n)/n->2, the sequence 2*n-a(n) appears to be unbounded below and above.

Positive integers k such that A327211(k) = 1. - Jianing Song, Sep 30 2019

Links

Clark Kimberling and Jianing Song, Table of n, a(n) for n = 1..10000

Mathematica

r = E; z = 200;
t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 1, z}]  (* {A327211(n) : n > 0} *)
Flatten[Position[t, 0]] (* A327212 *)
Flatten[Position[t, 1]] (* A327213 *)

Crossrefs

Cf. A327211, A327212 (complement).

Sequence in context: A059566 A329826 A330908 * A322532 A380420 A383009

Adjacent sequences: A327210 A327211 A327212 * A327214 A327215 A327216

Keyword

nonn,easy

Author

Clark Kimberling, Sep 02 2019

Extensions

Corrected by Jianing Song, Sep 30 2019

Status

approved